Browsing Research Articles (Physics) by Author "Radcliffe, Jack Frederick"

Browsing Research Articles (Physics) by Author "Radcliffe, Jack Frederick"

Sort by: Order: Results:

  • The e-MERGE Survey (e-MERLIN Galaxy Evolution Survey) : overview and survey description 
    Muxlow, T.W.B.; Thomson, A.P.; Radcliffe, Jack Frederick; Wrigley, N.H.; Beswick, R.J.; Smail, Ian; McHardy, I.M.; Garrington, S.T.; Ivison, R.J.; Jarvis, M.J.; Prandoni, I.; Bondi, M.; Guidetti, D.; Argo, M.K.; Bacon, David; Best, P.N.; Biggs, A.D.; Chapman, S.C.; Coppin, K.; Chen, H.; Garratt, T.K.; Garrett, M.A.; Ibar, E.; Kneib, Jean-Paul; Knudsen, Kirsten K.; Koopmans, L.V.E.; Morabito, L.K.; Murphy, E.J.; Njeri, A.; Pearson, Chris; Perez-Torres, M.A.; Richards, A.M.S.; Rottgering, H.J.A.; Sargent, M.T.; Serjeant, Stephen; Simpson, C.; Simpson, J.M.; Swinbank, A.M.; Varenius, E.; Venturi, T. (Royal Astronomical Society, 2020-06)
    We present an overview and description of the e-MERGE Survey (e-MERLIN Galaxy Evolution Survey) Data Release 1 (DR1), a large program of high-resolution 1.5-GHz radio observations of the GOODS-N field comprising ∼140 h ...
  • Identifying active galactic nuclei via brightness temperature with sub-arcsecond international LOFAR telescope observations 
    Morabito, Leah K.; Sweijen, F.; Radcliffe, Jack Frederick; Best, P.N.; Kondapally, Rohit; Bondi, Marco; Bonato, Matteo; Duncan, K.J.; Prandoni, Isabella; Shimwell, T.W.; Williams, W.L.; Van Weeren, R.J.; Conway, J.E.; Rivera, G. Calistro (Oxford University Press, 2022-10)
    Please read abstract in the article.
  • An insight into the extragalactic transient and variable microJy radio sky across multiple decades 
    Radcliffe, Jack Frederick; Beswick, Robert. J.; Thomson, A.P.; Garrett, Michael A.; Barthel, Peter D.; Muxlow, Thomas W.B. (Oxford University Press, 2019-12)
    The mJy variable extragalactic radio sky is known to be broadly non-changing with approximately 3 per cent of persistent radio sources exhibiting variability that is largely active galactic nucleus-related (AGN). In the ...
  • A multiwavelength analysis of the faint radio sky (COSMOS-XS) : the nature of the ultra-faint radio population 
    Algera, H.S.B.; Van der Vlugt, D.; Hodge, J.A.; Smail, I.R.; Novak, M.; Radcliffe, Jack Frederick; Riechers, D.A.; Rottgering, H.; Smolcic, V.; Walter, F. (IOP Publishing, 2020-11)
    Ultra-deep radio surveys are an invaluable probe of dust-obscured star formation, but require a clear understanding of the relative contribution from radio active galactic nuclei (AGNs) to be used to their fullest potential. ...
  • Nowhere to hide : radio-faint AGN in the GOODS-N field : II. Multi-wavelength AGN selection techniques and host galaxy properties 
    Radcliffe, Jack Frederick; Barthel, P.D.; Thomson, A.P.; Garrett, M.A.; Beswick, R.J.; Muxlow, T.W.B. (EDP Sciences, 2021-05)
    CONTEXT : Obtaining a census of active galactic nuclei (AGN) activity across cosmic time is critical to our understanding of galaxy evolution and formation. Many AGN classification techniques are compromised by dust ...
  • The radio emission from active galactic nuclei 
    Radcliffe, Jack Frederick; Barthe, P.D.; Garrett, M.A.; Beswick, R.J.; Thomson, A.P.; Muxlow, T.W.B. (EDP Sciences, 2021-05)
    CONTEXT: For nearly seven decades, astronomers have been studying active galaxies, that is to say, galaxies with actively accreting central supermassive black holes: active galactic nuclei (AGN). A small fraction are ...
  • Revisiting a flux recovery systematic error arising from common deconvolution methods used in aperture-synthesis imaging 
    Radcliffe, Jack Frederick; Beswick, R.J.; Thomson, A.P.; Njeri, A.; Muxlow, T.W.B. (Oxford University Press, 2024-01)
    The point-spread function (PSF) is a fundamental property of any astronomical instrument. In interferometers, differing array configurations combined with their uv coverage, and various weighting schemes can produce an ...
  • Searching for obscured AGN in z ∼ 2 submillimetre galaxies 
    Chen, H.; Garrett, M.A.; Chi, S.; Thomson, A.P.; Barthel, P.D.; Alexander, D.M.; Muxlow, T.W.B.; Beswick, R.J.; Radcliffe, Jack Frederick; Wrigley, N.H.; Guidetti, D.; Bondi, M.; Prandoni, I.; Smail, I.; McHardy, I.; Argo, M.K. (EDP Sciences, 2020-06)
    AIMS: Submillimetre-selected galaxies (SMGs) at high redshift (z ∼ 2) are potential host galaxies of active galactic nuclei (AGN). If the local Universe is a good guide, ∼ 50% of the obscured AGN amongst the SMG population ...
  • Software and techniques for VLBI data processing and analysis 
    Janssen, Michael; Wagner, Jan; Radcliffe, Jack Frederick; Wagner, Jan (MDPI, 2022-10-10)
    Very-long-baseline interferometry (VLBI) is a challenging observational technique, which requires in-depth knowledge about radio telescope instrumentation, interferometry, and the handling of noisy data. The reduction ...
  • A super-linear 'radio-AGN main sequence' links mean radio-AGN power and galaxy stellar mass since z similar to 3 
    Delvecchio, I.; Daddi, E.; Sargent, M.T.; Aird, J.; Mullaney, J.R.; Magnelli, B.; Elbaz, D.; Bisigello, L.; Ceraj, L.; Jin, S.; Kalita, B.S.; Liu, D.; Novak, M.; Prandoni, I.; Radcliffe, Jack Frederick; Spingola, C.; Zamorani, G.; Allevato, V.; Rodighiero, G.; Smolcic, V. (Hans Publishers, 2022-12)
    Mapping the average active galactic nucleus (AGN) luminosity across galaxy populations and over time reveals important clues regarding the interplay between supermassive black hole and galaxy growth. This paper presents ...
  • An ultra-deep multiband very large array (VLA) survey of the faint radio sky (COSMOS-XS) : new constraints on the cosmic star formation history 
    Van der Vlugt, D.; Hodge, J.A.; Algera, H.S.B.; Smail, I.; Leslie, S.K.; Radcliffe, Jack Frederick; Riechers, D.A.; Rottgering, H. (American Astronomical Society, 2022-12-10)
    We make use of ultra-deep 3 GHz Karl G. Jansky Very Large Array (VLA) observations of the COSMOS field from the multiband COSMOS-XS survey to infer radio luminosity functions (LFs) of star-forming galaxies (SFGs). Using ...
  • An ultradeep multiband VLA survey of the faint radio sky (COSMOS-XS) : source catalog and number counts 
    Van der Vlugt, D.; Algera, H.S.B.; Hodge, J.A.; Novak, M.; Radcliffe, Jack Frederick; Riechers, D.A.; Rottgering, H.; Smolcic, V.; Walter, F. (IOP Publishing, 2021-01)
    Please read abstract in the article.